<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Testing History HTML5</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default%2Ces2015"></script>

    <style>
      .router-link-active {
        color: darkorange;
      }
      .router-link-exact-active {
        color: red;
      }
      .long {
        background-color: lightgray;
        height: 3000px;
      }
      .fade-enter-active,
      .fade-leave-active {
        transition: opacity 0.15s ease;
      }
      .fade-enter-from,
      .fade-leave-to {
        opacity: 0;
      }
      .child-view {
        position: absolute;
        transition: all 0.3s cubic-bezier(0.55, 0, 0.1, 1);
      }
      .slide-left-enter-from,
      .slide-right-leave-to {
        opacity: 0;
        transform: translate(30px, 0);
      }
      .slide-left-leave-to,
      .slide-right-enter-from {
        opacity: 0;
        transform: translate(-30px, 0);
      }

      .info pre {
        display: inline;
      }
    </style>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>
